VOLUME 7 ISSUE 1

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FIRST GENERATION’S LANGUAGE ATTITUDES IN A BILINGUAL CONTEXT: A STUDY ON THE BIHARI COMMUNITY IN DHAKA CITY

Authors: Dilara Dilshad1*, Sheikh Saifullah Ahmed1
Published: 2024-June-30

This study investigated language attitudes of the first generation of the Urdu-speaking Bihari Community in Dhaka city. In this paper, the term ‘first generation’ refers to persons who immigrated to erstwhile East Pakistan (now Bangladesh) during the partition in 1947 and were born before the liberation warof 1971.Language attitudeis defined in this research as an individual or communal expression toward Urdu and Bangla, as well as language choices and use by the first generation. The purpose of this research was to investigate language attitudes of the first generation towards their mother tongue, Urdu, and the language of the dominant community,

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EMPOWERING BANGLADESH: A STUDY ON SYNERGIZING RENEWABLE ENERGY AND SMART GRID TECHNOLOGIES FOR SUSTAINABLE DEVELOPMENT

Authors: Hasan Maruf1, Murad Kabir Nipun2*, Habeeb Faruk Khan3, F. A. Sabbir Ahmed4, Md. Moniruzzaman2
Published: 2024-June-30

This paper shows a study of the Smart Grid in Bangladesh, emphasizing the incorporation of renewable energy sources. Its aim is to provide an overview of global renewable energy demand and highlight the significance of a smart grid system in fostering sustainability and dropping CO2emissions.The total renewable energy generation of Bangladesh stood at a meager 1.34% in 2009, representing its low comparative position with other nations. Unfortunately, there has been a little improvement over time, as the total renewable energy generation was 1.51% in 2014 and only slightly increased to 1.57% by 2019.

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EFFECT OF ORGANIC AND INORGANIC FERTILIZERS ON GROWTH AND YIELD OF “TOMALOO”

Authors: A. M. Farooque1*, Mohammad Rezaul Karim1 , Md. Mahfuzul Hoque1and Mahadi Hasan1
Published: 2024-June-30

An experiment was carried out at the Agricultural Research Field of IUBAT, Dhaka, Bangladesh from October 2022 to April 2023 to investigate the Effects of organic and inorganic fertilizers on the growth and yield of “Tomaloo” in continuation of previous research. “Tomaloo” is a wonder plant created by grafting between a potato and a tomato plant which bears tomato in the upper parts of the plant and the potato grows underground. The experiment was set following Randomized Complete Block Design consisting of four treatments and three replications.

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ANALYSIS OF LOAD FREQUENCY CONTROL OF TWO AREA POWER SYSTEM USING DIFFERENT CONTROL TECHNIQUES

Authors: Md. Abu kaisher1, Abdullah Al Mahfazur Rahman1, Md. Moniruzzaman2*,Tawfikur Rahman2*, Nibedura Deb3
Published: 2024-June-30

To maintain stability is a mandatory requirement of any kind of power network. Interconnected power systems have significant advantages in maintaining stability and frequency at their nominal values. The control of the interconnected power systems is performed by Automatic Generation Control (AGC), which has two parts: the Automatic Voltage Regulator (AVR) and Load Frequency Control (LFC). When a disturbance occurs in the system, Load Frequency Control (LFC) acts to re-establish the system into its steady state with zero error as well as the desired transient response characteristics.

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SOLAR POWER GENERATION IN BANGLADESH: STATUS, CHALLENGES AND MEASURES

Authors: A K M Alamgir1*
Published: 2024-June-30

Efforts toward generation of electricity from solar source by various application technologies is now emerging in Bangladesh. To date, almost 3% of total electricity generation comes from various renewable resources, where 2% is contributed by solar power. Since inception of solar practice in mid 90’s, a collaborating effort by government and private organizations successfully set up a strong foundation of solar culture in the country being financially stimulated by the world donor agencies.

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A COMPARATIVE ANALYSIS OF MACHINE LEARNING APPROACHES FOR EVALUATING THE COMPRESSIVE STRENGTH OF POZZOLANIC CONCRETE

Authors: Matiur Rahman Raju1, Mahfuzur Rahman1,2*, Md Monirul Islam1,2, Noor Md.Sadiqul Hasan1, Md Mehedi Hasan3, Tarin Sharmily1, Mohammed Sajib Hosen1
Published: 2024-June-30

This study leverages machine learning techniques to predict pozzolanic concrete's compressive strength accurately. Using artificial neural networks (ANN), random forest (RF), and gradient boosting regressor (GBR) models trained on a dataset of 482 samples, the study divides the data into 70% training and 30% testing subsets with seven input parameters. Model performance is assessed through metrics like coefficient of determination (R2 ), root mean square error (RMSE), and mean absolute error (MAE).

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OPTIMAL DESIGN AND PERFORMANCE ANALYSIS OF A GAS-GAS HEAT EXCHANGER FOR HARVESTING WASTE HEAT

Authors: Mostafizur Rahman1, Md. Mahedi Alam1, Dr. Debasish Sarker1*
Published: 2024-June-30

This study reports the design of an optimized heat exchanger capable of efficiently extracting and transferring waste heat from flue gas to air. An experimental setup was constructed to recover waste heat from the exhaust steam of a boiler, using this heat to warm compressed air. Thermocouples recorded the temperatures at the inlet and outlet of both the hot and cold fluids. A MATLAB code is developed to compare the experimental results.

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IMPLEMENTING DIGITAL MARKETING CHANNELS ON BTHM ADMISSION: EVIDENCE FROM DHAKA CITY

Authors: Dr. Mohammad Badruddoza Talukder 1*, Iva Rani Das 2, Dr. Sanjeev Kumar 3
Published: 2024-June-30

This study analyzes the influence of digital marketing channels on BBA in Tourism and Hospitality Management (BTHM) admission at higher-degree educational institutions in Dhaka, Bangladesh. The research employed a simple random sampling approach to pick 200 prospective students who sought to be accepted to various academic institutions offering four years of degree in BTHM in Dhaka City. Data was obtained using a standardized questionnaire on students' exposure to digital marketing outlets and their admission choices to BTHM. We analyzed the data using Microsoft Excel. The research findings reveal that digital marketing channels of social media are powerful information sources for educational institutions

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CLIMATE CHANGE INCULCATE CROP LOSS AND LIVELIHOOD: A CASE OF DROUGHT IN BANGLADESH

Authors: Md. Shafiqul Islam1*
Published: 2024-June-30

Crop loss is multidimensional and associated with drought and the consequences of climate change. Drought damages crops and make losses to the marginalized people and make them more vulnerable in different channels alike other disasters. The work has been carried out in the Northwest region of Barind in Bangladesh to explore relevant issues that may lead crop damage by frequent drought. Research used various methods in this study to get together both qualitative and quantitative information along with primary and secondary sources.

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TENSILE AND FRACTURE BEHAVIOUR OF SN/PB SOLDER AFFECTED ALUMINIUM SUBJECTED TO POST-DEFORMATION AGEING

Authors: Mohammad Salim Kaiser1*
Published: 2024-June-30

Abstract An efficient assessment of the mechanical characteristics of waste/scraped aluminum under a variety of operating circumstances is crucial to the exploration of its potential for reuse. In this regard Sn/Pb solder affected aluminum is subjected to post-deformation and ageing in order to investigate its effect on tensile and fracture behaviour. To isolate the individual effects pure Al, binary Al-Sn and Al-Pb alloy samples are taken simultaneously.

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ZOOM AS A TEACHING TOOL TO ENHANCE STUDENTS’ LISTENING AND SPEAKING SKILLS: TEACHERS’ AND STUDENTS’ PERCEPTIONS

Authors: Firoz Akanda1*, Iffat Jahan Suchona2
Published: 2024-June-30

Zoom, an essential tool for online learning, has transformed teaching and learning strategies and made it possible for teachers to adapt to the ever-changing online landscape. The study explores the perceptions of teachers and students regarding the use of Zoom as a virtual tool for speaking and listening classes at private universities in Dhaka, Bangladesh.It involves five English language teachers and 15 students, employing qualitative methods such as semi-structured interviews.

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A COMPREHENSIVE REVIEW ON THE IMPACT OF TEACHER FEEDBACK IN LANGUAGE DEVELOPMENT FOR ESL/EFL LEARNERS

Authors: Kazi Imran Hossain1 *, Md. Kawser Ahmed1 , Md. Sabid Mahmud1
Published: 2024-June-30

This comprehensive review investigates the multifaceted impact of teacher feedback on English as a Second/Foreign Language (ESL/EFL) learners' language development. The paper examines feedback modalities, including written, verbal, and technological approaches, and recommends a multimodal strategy to accommodate diverse learner preferences. The challenges in providing feedback, such as balancing corrective and affirming feedback and individualising responses in large classes, are discussed.

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